Wireless microphone



FIG. 1 is a perspective view of the wireless microphone;

FIG. 2 is a rear view of the wireless microphone;

FIG. 3 is a bottom view of the wireless microphone;

FIG. 4 is a left side view of the wireless microphone;

FIG. 5 is a front view of the wireless microphone;

FIG. 6 is a right side view of the wireless microphone; and,

FIG. 7 is a top view of the wireless microphone.

The portions of the wireless microphone shown in broken lines do not form part of the claimed design. 

CLAIM The ornamental design for a wireless microphone, as shown and described. 